2. For each interval, decide if the average rate of change is positive or negative. a. from 1930 to 1940
b. from 1950 to 1970
c. from 1930 to 1970

3. In which decade (10-year interval) did the population grow the fastest? Explain how you know.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *